Skip to main content

Full text of "The Morphology And Evolution Of The Apes And Man"

See other formats


DIGESTION  AND  ABSORPTION
marked.    The gall-bladder is long, narrow ai;-.; *:.'::. ^ht. and its fund us projects well beyond the ed^e -! the I:TC/ The liver in the Gibbon is  ir^eh a* in Mu::,    Tht-umbilical  fissure  is  not   bridged  over  or. th:- inferior
'

surface, and there are no lateral fissures, xiie lobe is prominent, but the caudate lobe is :n-:,.:n:t:cin:. The gall-bladder is not convoluted and project^ l-eyou^ the hepatic margin.
The Gorilla has a more primitive tvpe of livsi- than any described above, and Flower 328 deseriLe,! it as follows : The upper surface has a very ]arge rricii^ular space devoid of peritoneum. Laving been attached to the-diaphragm. The suspensory ligament passes from this-surface to the umbilical fissure, which is a well-niarkec notch on the free border, nearly an inch in depth, placed only 1 in. to the right of the middle line, so that the right and left segments are more nearly equal to one another than in Man or the other Anthropoid Apes. The borders of the liver generally are Very thin, especially the upper edge of the left lateral lobe.
The left segment is divided into two distinct lobes by a cleft extending from the anterior more than halt way to the posterior border. Of these the lateral is much the largest, and is triangular in shape. On the upper surface it is overlapped by the left central.
Similarly, the right segment is divided into two lobes by a deep fissure; but of these the central is very much the largest, and of quadrate form, the lateral, being small and triangular, and overlapped above by the central.
On the under surface the portal fissure is placed very
near the posterior border, and is 3 in. in width.    The 15